56146489 has 4 divisors (see below), whose sum is σ = 64167424. Its totient is φ = 48125556.

The previous prime is 56146483. The next prime is 56146511. The reversal of 56146489 is 98464165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56146489 - 2²⁵ = 22592057 is a prime.

It is a super-3 number, since 3×56146489³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56146483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4010457 + ... + 4010470.

It is an arithmetic number, because the mean of its divisors is an integer number (16041856).

Almost surely, 2^56146489 is an apocalyptic number.

It is an amenable number.

56146489 is a deficient number, since it is larger than the sum of its proper divisors (8020935).

56146489 is an equidigital number, since it uses as much as digits as its factorization.

56146489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020934.

The product of its digits is 207360, while the sum is 43.

The square root of 56146489 is about 7493.0960890676. The cubic root of 56146489 is about 382.9195453490.

The spelling of 56146489 in words is "fifty-six million, one hundred forty-six thousand, four hundred eighty-nine".